22110101212012 has 12 divisors (see below), whose sum is σ = 42210193223016. Its totient is φ = 10050046005440.

The previous prime is 22110101211937. The next prime is 22110101212057. The reversal of 22110101212012 is 21021210101122.

It is a super-2 number, since 2×22110101212012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251251150093 + ... + 251251150180.

It is an arithmetic number, because the mean of its divisors is an integer number (3517516101918).

Almost surely, 2^{22110101212012} is an apocalyptic number.

22110101212012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22110101212012 is a deficient number, since it is larger than the sum of its proper divisors (20100092011004).

22110101212012 is a wasteful number, since it uses less digits than its factorization.

22110101212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502502300288 (or 502502300286 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22110101212012 its reverse (21021210101122), we get a palindrome (43131311313134).

The spelling of 22110101212012 in words is "twenty-two trillion, one hundred ten billion, one hundred one million, two hundred twelve thousand, twelve".